bug 14876: Can timestamps be written inside a renderpass? (WIP)

Timestamps are written to a query pool.

https://cvs.khronos.org/bugzilla/show_bug.cgi?id=14876
diff --git a/vulkan.py b/vulkan.py
index 174501e..40d41de 100755
--- a/vulkan.py
+++ b/vulkan.py
@@ -938,8 +938,8 @@
         Proto("void", "CmdWriteTimestamp",
             [Param("VkCmdBuffer", "cmdBuffer"),
              Param("VkPipelineStageFlagBits", "pipelineStage"),
-             Param("VkBuffer", "destBuffer"),
-             Param("VkDeviceSize", "destOffset")]),
+             Param("VkQueryPool", "queryPool"),
+             Param("uint32_t", "slot")]),
 
         Proto("void", "CmdCopyQueryPoolResults",
             [Param("VkCmdBuffer", "cmdBuffer"),